I have no skill in making mods at all.
However for those that do I would like to see created a Christmas Tree like graphic that is customizable that lets the player know at a glance if they have a certain structure built... Similar in concept to the RAS notify however I don't want a single text notification but a constant displayed graphical light either RED YELLOW OR GREEN. This would be to indicate if the object was built, is building or is built and complete/loaded.
Example I think it should look something like this
A list of the type of structures you'd like to build
SMD
Gateway
Strat Nuke
T2 Radar
T3 Radar
TMD
This would represent that you have at least one of each of these structures which, of which the icons would be labeled, and that they are all fully built and functioning. If you nuke I still building it would be yellow. Red would be any item that has not been built. That way all of these would be red from the beginning and green or yellow as the game progresses. I think the whole size of this Christmas tree icon display could be about the same size as the mass/energy readout and fit neatly on the leftside of the screen or maybe make it adjustable.
This would make it easier to determine at a glance of this structure is built and ready.
Example Tree would like this